Saw fitting device



Nov. 30, 1948.l

SAW FITTING DEVICE V Filed June 16, 1947 T. sTENNn-T A 2,454,953

Patented Nov. 3(1),y 1948 @UNITED STATES QFFeI'CE saw In'rTING DEVICE 'Dhomas Stennitt`,-Lansdowne, intario, Canada .Applieatmn June :16, 1947 .Serial No'. 754,989

This invention relates to saw tting tools Man-y devices have heretofore l.been `proposed for tting `or conditioning saws, i. e., for fuse in performing the periodical A'ointing, setting,gaiug ing and sharpening ofsaw teeth. Most of such devices are of a relatively complicated and* cumbersome nature.

It is an object of this invention to provide a simple compact tool for use in performing all of the aforementioned operations and which is of .such small .dimensions that it :may he conveniently carried about on the :person for avail' able use at al1 times.

The invention will be described with reference the accompanying drawing, in which- Figure 1 is a plan View of aI saw fitting ltool in accordance with the invention,

Figure 2 is a side elevation,

Figure 3 is ai side elevation illustrating theoperation of one `part of lthe tool,

Figure 4 isa side lelevation showing the operay tion of another part of the tool, and

Figure 5 is a side elevation illustrating another operating function of the tool part shown in Figure 4.

In the drawing, I is a base or anvil portion of the tool comprising a rectangular block of metal, the dimensions of which preferably do not greatly exceed ve inches in length and one inch in Width. The upper surface of the block is Inarginally bevelled on at least three sides to provide end bevelled surfaces 2 and 3 and a longitudinal bevelled surface 4. The degree of bevel of surface 3 is somewhat greater than that of surface 2 and corresponds to a normal degree of set for saw teeth when adapted to be employed in cutting soft wood. The degree of bevel of surface 2 corresponds to a normal degree of set for saw teeth when adapted to be employed in cutting hard wood. Appropriate indicating characters H and S, as shown, may be provided on the respective end of the block to provide a convenient means for locating the desired surface 2 or 3.

Removably fixed to the side surface of the block adjacent the bevelled surface 4 is a channel-shaped member 5 with its open face upwardly disposed. The attaching means may comprise a pair of pins 6 mounted in the block and adapted to extend through openings 'I in the member 5, and wing nuts 8 for engagement with the threaded end portions of the pins.

The member 5 has a cut out portion 9 in the web and adjacent leg portions of the member.

The edge of each leg of the member 5 has a projecting portion or portions I0, the edges of which ylie 'in `vthe same plane vand which rprovide recessed yedge'*por-tierra' lII and yI2 adjacent the ends of lthe member. The edges 'IiI at onefendof themember lie' 'in a plane yspaced a Ypredetermined distance from the plane of the Iedges of vportions 'I'0 andl corresponding to a ldeg-ree of sa-w set for soft Wood sawingy -for instance. At least one of the legs at the other end of the member has aprojection I3', Ithe A edge :I4 of which -lies in a plane spaced aipredetermined Vdistance` from the plane of *then edges of .portion-s In and corresponding to a degree of Ysaw set for Ahard 4lwood sawing, for instance. In other words, edges liland I4- liein slightly different planes. `IIndicat-k ing characters H and S may be provided on the corresponding faces cf -member Sat the res-pective ends thereof. jt is' proposed Y'that one leeg of the member withits end edge -yportion -I -I serve as a gauge for 'soft Wood sawing and the .other @leg ofthe member with :i-ts-endfedge -port-ion XIii lserve as a .gauge for hard wood sa-wing, `the opposite' end portion-'of the otherileg being cut away as indicated at I5 to facilitate ease of operation,

i. In use, the jcinting operation is performed with the assembled tool as shown in Figures 1 and 2, the member 5 being utilized as a vice for clamping a le I6 between the legs of the member and in right angular relation to the upper face of the block. The saw .to be tted, indicated at Il, is then applied to the upper face of the block with its teeth in engagement with the file and reciprocated to perform the jointing operation. The bevelled surface 4 provides a recess to receive the downwardly projecting teeth. Spikes I8 may be provided on the bottom surface of the block to facilitate rigid positioning of the same on a xed surface I9. v

Following the jointing operation, the saw is placed on the -block with its teeth overhanging one or other of the bevelled surfaces 2 and 3, as shown in Figure 3, and the alternate teeth hammered down into engagement with such surface to perform the setting operation.

The sharpening operation is then proceeded with by removing the member 5 from the block and placing it on the saw with the legs on either side of the saw and the web engaging the teeth thereof, as shown in Fig. 4. A series of the saw teeth, indicated at 20, will project through the cut out portion 9, the longitudinal edges 2| of which are spaced from the top plane of the teeth a distance substantially equal to the desired height of the saw teeth. The series of teeth 20 are then filed in the usual manner and the operation repeated by progressively moving the member 5 along the saw. The edges 2| are tempered to withstand injury by contact with the file.

The set of the saw teeth may be gauged by placing the member 5 on the saw with its appropriate end portion il or I4 overhanging the teeth, as shown in Figure 5.

There has thus been provided a simple tool for use in performing all requiring saw fitting operations. Moreover, since the overall length and width of the tool need not exceed 5 inches and 1% inches, respectively, it may be conveniently carried in the pocket of an operator availability of use at all times.

What is claimed is:

1. A saw fitting tool comprising a metal block having a plane upper surface and a marginal y wherein said securing means comprises a pair of bevelled surface at each end of the block in confor ".1"

tiguous relation to said upper surface, said bev- '1 elled surfaces being at different degrees of angularity, a channel member having flat parallel legs and a web connecting said legs, and means removably securing the channel member to a lateral face of said block in longitudinally arranged relation thereto with the free ends of the legs in upwardly disposed Iposition, the outer surface of one of the legs being in abutting relation to said lateral face.

2. A saw fitting tool as dened in claim 1, said block having a bevelled marginal surface extending longitudinally thereof in contiguous relation to said upper surface and adjacent said lateral face. 3. A saw fitting tool comprising a metal block having a plane upper surface -and a marginal bevelled surface at each end of the block in contiguous relation to said upper surface, said bevelled surfaces being at.difierent degrees of angularity, and a channel member removably secured to a lateral face of said block, said channel member having portions of the edges of both of its legs lying ina common plane, a portion of 'nal edges of said recess lying in a the edge of at least one of the legs adjacent its end lying in a plane spaced inwardly a predetermined distance from said common plane, and a portion of the edge rof the other of the legs adjacent its end lying in a plane spaced inwardly a predetermined distance from said common plane, said last predetermined distance being greater than said first predetermined distance.

4. A saw fitting tool as dei-ined in claim 1, said channelmem'ber having a portion of the web and adjoiningv portions of the legs removed to provide a recess of uniform depth, the longitudiplane spaced from `the plane of the inner surface of said web a distance substantially equivalent to a desired height of saw teeth.

. .5. A saw rttng tool as dened in claim 1,

longitudinally aligned pins iixed to said lateral face of the block and projecting outwardly therefrom, .said legsA of the channel member having aligned openings therein to receive each pin, the outer ends of the pins being threaded, and nuts engaging said threaded ends to secure the channel member to the block and to apply pressure to said legs to urge them towards each other.

THOMAS STENNITT.

REFERENCES CITED l The following references are of record in the le of this patent:

UNITED STATES PATENTS Number l Name Date 351,286 Sanford Oct. 19, 1886 387,875 Harsen 'Aug 14, 1888 401,821 Heinold Apr. 23, 1889 504,656 Bickerstai Sept. 5, 1893 592,069 Topping Oct. 19, 1897 U1,683,174 Eyrish Sept. 4, 1928 

